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import streamlit as st |
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import numpy as np |
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def calculate_loan(loan_amount, loan_term_years, interest_rate): |
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monthly_rate = interest_rate / 100 / 12 |
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loan_term_months = loan_term_years * 12 |
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monthly_payment = loan_amount * (monthly_rate * (1 + monthly_rate) ** loan_term_months) / ((1 + monthly_rate) ** loan_term_months - 1) |
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total_payments = monthly_payment * loan_term_months |
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total_interest = total_payments - loan_amount |
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return monthly_payment, total_payments, total_interest |
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def main(): |
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st.subheader("Real Estate Loan Calculator") |
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st.markdown("---") |
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st.subheader("Loan Details") |
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col1, col2, col3 = st.columns(3) |
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with col1: |
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loan_amount = st.number_input("Loan Amount (€)", value=150000, step=1000) |
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loan_term_years = st.number_input("Loan Term (Years)", value=20, step=1) |
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interest_rate = st.number_input("Interest Rate (%)", value=3.49, step=0.01) |
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monthly_payment, total_payments, total_interest = calculate_loan(loan_amount, loan_term_years, interest_rate) |
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with col2: |
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st.markdown( |
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f""" |
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<div style="border: 2px solid #ccc; padding: 10px; background-color: #0e1117; border-radius: 5px; text-align: center;"> |
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<h4 style="font-weight: bold;">Loan Details</h4> |
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<p>Monthly:<br> <span style="font-weight: bold; color: orange;">{monthly_payment:.2f} €</span><br> |
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Total:<br> <span style="font-weight: bold; color: teal;">{total_payments:.2f} €</span><br> |
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Total Interest:<br> <span style="font-weight: bold; color: green;">{total_interest:.2f} €</span></p> |
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</div> |
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""", |
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unsafe_allow_html=True |
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) |
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with col3: |
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st.markdown( |
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f""" |
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<div style="padding: 10px; "> |
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<h5 style="font-style: italic;">Project Costs</h5> |
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<p style="font-style: italic;"><span style="font-weight: bold;">Costs closing: 10,000 €</span></p> |
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<p style="font-style: italic;">Notary fees and others: 5,000 €</p> |
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<p style="font-style: italic;">Notary fees and others: 5,000 €</p> |
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</div> |
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""", |
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unsafe_allow_html=True |
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) |
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if __name__ == "__main__": |
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main() |
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